| Manufacturer | Part Number | Description |
|---|---|---|
NTE Electronics |
D40K2 | Silicon NPN Transistor |
General Electric |
D40K2 | NPN Power Darlington Transistors |
| ETC Unknown Manufacturer | D40K2 | NPN Transistor |
Central Semiconductor |
D40K2 | NPN SILICON DARLINGTON POWER TRANSISTOR |